from tkinter import Tk, Canvas, CENTER

X = int (input())
Y = int (input())
N = int (input())
coords = [0*N+X, 0*N+Y, 10*N+X, 0*N+Y, 10*N+X, 10*N+Y, 20*N+X, 10*N+Y, 20*N+X, 20*N+Y, 10*N+Y, 20*N+Y, 10*N+Y, 30*N+Y, 0*N+Y, 30*N+Y]
if min (coords) < 0 or max (coords) > 500:
    print ('Размер фигуры превышает максимальный размер поля')
    exit ()
root = Tk ( )
root.title ( 'Марафон')
canvas = Canvas (bg="white", width=500, height=500)
for i in range (1, 50):
    canvas.create_line (10*i, 0, 10*i, 500)
    canvas.create_line (0, 10*i, 500, 10*i)
            
canvas.pack (anchor=CENTER, expand=1)
            

canvas.create_polygon (coords, outline="blue",fill="blue")
